Seiko Cal. 6370 - 251

This Spring Drive model from 1967 features a 42mm Two-Tone case. Powered by the 6370 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-b48871855487]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1967

Related Models

• Seiko 6636-120
• Seiko 4564-389
• Seiko 6253-800
• Seiko 5644-342
• Seiko 7073-576
• Seiko 7112-335
• Seiko 6625-673
• Seiko 3863-740
• Seiko 6627-383
• Seiko 4437-181
• Seiko 5236-529
• Seiko 4587-635