Seiko Cal. 6355 - 104

This Spring Drive model from 1989 features a 36mm Titanium case. Powered by the 6355 caliber with 29j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-d8eba06f5540]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1989

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