Seiko Cal. 6337 - 547

The 6337-547 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6337 caliber with 21j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-8636babebed4]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

Related Models

• Seiko 6315-796
• Seiko 6324-794
• Seiko 5667-609
• Seiko 7177-963
• Seiko 6114-180
• Seiko 5214-393
• Seiko 7035-927
• Seiko 4466-171
• Seiko 5614-503
• Seiko 6267-746
• Seiko 5224-733
• Seiko 3887-325