Seiko Cal. 0737 - 527

The 0737-527 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-0dc0e197aef3]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

Related Models

• Seiko 6683-218
• Seiko 6112-896
• Seiko 6655-166
• Seiko 6624-361
• Seiko 6647-326
• Seiko 5251-816
• Seiko 5219-510
• Seiko 7127-911
• Seiko 6639-556
• Seiko 5285-990
• Seiko 4436-401
• Seiko 4466-128