Seiko Cal. 5231 - 787

The Seiko 5231-787 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-65622cb34975]

Also known as: Turtle, Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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