Seiko Cal. 6237 - 137

This Spring Drive model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 6237 caliber with 28j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0dfc81dc402d]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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