Seiko Cal. 4436 - 688

This Spring Drive model from 1965 features a 45mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-977bb114a1d6]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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