Seiko Cal. 5687 - 204

This Spring Drive model from 1996 features a 41mm Two-Tone case. Powered by the 5687 caliber with 35j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-73539474d948]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1996

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