Seiko Cal. 5640 - 198

This Spring Drive model from 1985 features a 34mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-a44a5e074e4f]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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