Seiko Cal. 5615 - 307

This Hand-Winding model from 1974 features a 38mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c03bd5e830ca]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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