Seiko Cal. 7136 - 642

The Seiko 7136-642 represents an important milestone in Seiko's 1995 lineup. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-ff1b7174c5d2]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1995

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