Seiko Cal. 0770 - 310

The 0770-310 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-411f17eef57a]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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